Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x4, x = 3, and the x-axis
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: A
Mathematics
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Solve the problem.Juan recently received a 4.1% pay increase. His hourly wage is now $11.45. Use the equation 
to find his hourly wage before the pay increase.
A. $1.10 B. $11.45 C. $11 D. $110
Mathematics
Find an equation of the following curve.A hyperbola centered at the origin having vertex at (0, -6) and eccentricity equal to 2
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the square root if it is a real number. If it is not a real number, state so.
A. -36 B. -6 C. not a real number D. 6
Mathematics
Find the indicated term of the sequence.The fifth term of the geometric sequence 7, -28, 112, . . .
A. 1792 B. -7168 C. -1792 D. 256
Mathematics